They du Mazet, the Rhône estuary

Key facts

Distance: 4.7 km
Ascent: +4 m
Descent: −0 m
Estimated time: 1 hr 05; hiking
Difficulty: Easy; official rating
Route: Out and back; same way back

Profile and gradient

under 10%
10 to 20%
over 20%

Surface and path types

Surface: Dirt & gravel 95%
Unknown 5%
Path types: Trail 95%
Off-network 5%

Description

The They du Mazet, a remarkable wildlife and a wild coastal landscape of great beauty ! In the direction of the Napoléon beach, discover the they du Mazet, a sandy formation modelled by the sea and the river. The round trip on the trail of the they du Mazet allows you to enjoy the typical landscapes of the Camargue and the wildlife that lives there ! You will stroll along the sansouires while being able to see pink flamingos or herons. A feeding, resting and breeding area for many birds, the they du Mazet is home to exceptional wildlife ! On the Route de la Plage Napoléon, start hiking to the Conservatoire du Littoral sign : " Theys de l'embouchure du Rhône". Continue the sandy path for more than 400 m. 1 - After passing the "cordon dunaire" sign, at the bend, turn right to go to the "Le canal de Saint-Antoine" sign. Then follow the red arrows that lead to the sign "La Faune du Mazet" and continue to the next sign "Le Chevalier Gambette : une espèce en danger ". Continue to the gateway. After the gateway, follow the path to the next gateway. 2 - At the second gateway, turn around and take the path in the opposite direction to return to the starting point.

Difficulty

Official rating: easy, by Parcs naturels régionaux de Provence-Alpes-Côte d'Azur.

Before you go

Respect the footpath so as not to trample the vegetation. Respect the surrounding animals. Discovery trail with landscape reading boards. Circuit not recommended in rainy weather.

Getting there

Start: Parking en bordure de route de la Plage Napoléon, Port-Saint-Louis-du-Rhône, Port-Saint-Louis-du-Rhône (13).

Sources

Track: Parcs naturels régionaux de Provence-Alpes-Côte d'Azur (Chemins des Parcs), Licence Ouverte 2.0, Licence Ouverte 2.0 (Etalab) (www.cheminsdesparcs.fr/trek/62874-PORT-SAINT-LOUIS-DU-RHONE---They-du-Mazet%2C-l-embouchure-du-Rhone). Time estimated by GPX Path with the Mac app rule, breaks not included.
Surface and path types: © OpenStreetMap contributors, ODbL, extract of 28 October 2026, matched to the track every 10 m (openstreetmap.org/copyright)
Official elevation gain: 4 m, Parcs naturels régionaux de Provence-Alpes-Côte d'Azur